Signals alternatives

Your all-in-one Gmail browser extension for email tracking, scheduling, and auto follow-up.

Yesware is an inbox productivity platform that transforms the way you send emails. Work smarter with our data-driven insights and tools such as Campaigns, Email Tracking, Templates, and more.

Doubletick is a Free and Unlimited email tracking tool for Gmail and G-Suite, adds double checkmarks ✔✔ to your mail if it is read by the recipient (Just like WhatsApp) and notifies you with real-time notification.